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[linux] 查看网卡UUID
virtualbox复制了虚拟机，重新初始化网卡后，需要对/etc/sysconfig/network-scripts/ifcfg-eth0更新UUID值，虽然不改暂时也没发现有问题。
网上查找需要nmcli工具进行查看。
1.首先我们查看一下nmcli是哪个软件包提供的
1 2 3 4 5 6 7 8 9 10 | [root@localhost ~]# yum provides "*/nmcli"Loaded plugins: fastestmirrorLoading mirror speeds from cached hostfile * base: mirrors.163.com * extras: mirrors.163.com * updates: mirrors.163.com1:NetworkManager-0.8.1-113.el6.x86_64 : Network connection manager and user applicationsRepo : baseMatched from:Filename : /usr/bin/nmcli |
2.安装NetworkManager服务
1 | [root@localhost ~]# yum -y install NetworkManager |
启动NetworkManager服务
1 | [root@localhost ~]# /etc/init.d/NetworkManager start |
运行nmcli发现有报错
1 2 | [root@localhost ~]# nmcli conError: could not connect to D-Bus. |
查看/var/log/messages日志
1 2 3 4 5 6 | [root@localhost ~]# more /var/log/messages...Apr 20 14:53:05 localhost NetworkManager[2013]: <info> NetworkManager (version 0.8.1-113.el6) is starting...Apr 20 14:53:05 localhost NetworkManager[2013]: <info> Read config file /etc/NetworkManager/NetworkManager.confApr 20 14:53:05 localhost NetworkManager[2013]: <error> [1492671185.606620] [nm-dbus-manager.c:278] nm_dbus_manager_init_bus(): Could not get the system bus. Make sure the message bus daemon is running! Message: Failed to connect to socket /var/run/dbus/system_bus_socket: Connection refused... |
3.需要先启动messagebus，再启动NetworkManager
1 2 3 4 5 | [root@localhost ~]# /etc/init.d/messagebus startStarting system message bus: [ OK ][root@localhost ~]# /etc/init.d/NetworkManager startSetting network parameters... [ OK ]Starting NetworkManager daemon: [ OK ] |
4.此时再运行nmcli即可查看网卡UUID
1 2 3 4 | [root@localhost ~]# nmcli conNAME UUID TYPE SCOPE TIMESTAMP-REAL System eth0 bbc0e340-6979-4e10-8b98-f1d395e7304e 802-3-ethernet system Thu 20 Apr 2017 02:54:51 PM CST NAME UUID TYPE SCOPE TIMESTAMP-REAL |
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